台風の発生数
| 年
|
1月
|
2月
|
3月
|
4月
|
5月
|
6月
|
7月
|
8月
|
9月
|
10月
|
11月
|
12月
|
年間
|
| 2022
|
|
|
|
2
|
|
2
|
2
|
5
|
7
|
5
|
1
|
1
|
25
|
| 2021
|
|
1
|
|
1
|
1
|
2
|
3
|
4
|
4
|
4
|
1
|
1
|
22
|
| 2020
|
|
|
|
|
1
|
1
|
|
8
|
3
|
6
|
3
|
1
|
23
|
| 2019
|
1
|
1
|
|
|
|
1
|
4
|
5
|
6
|
4
|
6
|
1
|
29
|
| 2018
|
1
|
1
|
1
|
|
|
4
|
5
|
9
|
4
|
1
|
3
|
|
29
|
| 2017
|
|
|
|
1
|
|
1
|
8
|
6
|
3
|
3
|
3
|
2
|
27
|
| 2016
|
|
|
|
|
|
|
4
|
7
|
7
|
4
|
3
|
1
|
26
|
| 2015
|
1
|
1
|
2
|
1
|
2
|
2
|
3
|
4
|
5
|
4
|
1
|
1
|
27
|
| 2014
|
2
|
1
|
|
2
|
|
2
|
5
|
1
|
5
|
2
|
1
|
2
|
23
|
| 2013
|
1
|
1
|
|
|
|
4
|
3
|
6
|
8
|
6
|
2
|
|
31
|
| 2012
|
|
|
1
|
|
1
|
4
|
4
|
5
|
3
|
5
|
1
|
1
|
25
|
| 2011
|
|
|
|
|
2
|
3
|
4
|
3
|
7
|
1
|
|
1
|
21
|
| 2010
|
|
|
1
|
|
|
|
2
|
5
|
4
|
2
|
|
|
14
|
| 2009
|
|
|
|
|
2
|
2
|
2
|
5
|
7
|
3
|
1
|
|
22
|
| 2008
|
|
|
|
1
|
4
|
1
|
2
|
4
|
4
|
2
|
3
|
1
|
22
|
| 2007
|
|
|
|
1
|
1
|
|
3
|
4
|
5
|
6
|
4
|
|
24
|
| 2006
|
|
|
|
|
1
|
2
|
2
|
7
|
3
|
4
|
2
|
2
|
23
|
| 2005
|
1
|
|
1
|
1
|
1
|
|
5
|
5
|
5
|
2
|
2
|
|
23
|
| 2004
|
|
|
|
1
|
2
|
5
|
2
|
8
|
3
|
3
|
3
|
2
|
29
|
| 2003
|
1
|
|
|
1
|
2
|
2
|
2
|
5
|
3
|
3
|
2
|
|
21
|
| 2002
|
1
|
1
|
|
|
1
|
3
|
5
|
6
|
4
|
2
|
2
|
1
|
26
|
| 2001
|
|
|
|
|
1
|
2
|
5
|
6
|
5
|
3
|
1
|
3
|
26
|
| 2000
|
|
|
|
|
2
|
|
5
|
6
|
5
|
2
|
2
|
1
|
23
|
| 1999
|
|
|
|
2
|
|
1
|
4
|
6
|
6
|
2
|
1
|
|
22
|
| 1998
|
|
|
|
|
|
|
1
|
3
|
5
|
2
|
3
|
2
|
16
|
| 1997
|
|
|
|
2
|
3
|
3
|
4
|
6
|
4
|
3
|
2
|
1
|
28
|
| 1996
|
|
1
|
|
1
|
2
|
|
6
|
5
|
6
|
2
|
2
|
1
|
26
|
| 1995
|
|
|
|
1
|
|
1
|
2
|
6
|
5
|
6
|
1
|
1
|
23
|
| 1994
|
|
|
|
1
|
1
|
2
|
7
|
9
|
8
|
6
|
|
2
|
36
|
| 1993
|
|
|
1
|
|
|
1
|
4
|
7
|
6
|
4
|
2
|
3
|
28
|
| 1992
|
1
|
1
|
|
|
|
2
|
4
|
8
|
5
|
7
|
3
|
|
31
|
| 1991
|
|
|
2
|
1
|
1
|
1
|
4
|
5
|
6
|
3
|
6
|
|
29
|
| 1990
|
1
|
|
|
1
|
1
|
3
|
4
|
6
|
4
|
4
|
4
|
1
|
29
|
| 1989
|
1
|
|
|
1
|
2
|
2
|
7
|
5
|
6
|
4
|
3
|
1
|
32
|
| 1988
|
1
|
|
|
|
1
|
3
|
2
|
8
|
8
|
5
|
2
|
1
|
31
|
| 1987
|
1
|
|
|
1
|
|
2
|
4
|
4
|
6
|
2
|
2
|
1
|
23
|
| 1986
|
|
1
|
|
1
|
2
|
2
|
4
|
4
|
3
|
5
|
4
|
3
|
29
|
| 1985
|
2
|
|
|
|
1
|
3
|
1
|
8
|
5
|
4
|
1
|
2
|
27
|
| 1984
|
|
|
|
|
|
2
|
5
|
5
|
4
|
7
|
3
|
1
|
27
|
| 1983
|
|
|
|
|
|
1
|
3
|
5
|
2
|
5
|
5
|
2
|
23
|
| 1982
|
|
|
3
|
|
1
|
3
|
3
|
5
|
5
|
3
|
1
|
1
|
25
|
| 1981
|
|
|
1
|
2
|
|
3
|
4
|
8
|
4
|
2
|
3
|
2
|
29
|
| 1980
|
|
|
|
1
|
4
|
1
|
4
|
2
|
6
|
4
|
1
|
1
|
24
|
| 1979
|
1
|
|
1
|
1
|
2
|
|
4
|
2
|
6
|
3
|
2
|
2
|
24
|
| 1978
|
1
|
|
|
1
|
|
3
|
4
|
8
|
5
|
4
|
4
|
|
30
|
| 1977
|
|
|
1
|
|
|
1
|
3
|
3
|
5
|
5
|
1
|
2
|
21
|
| 1976
|
1
|
1
|
|
2
|
2
|
2
|
4
|
4
|
5
|
1
|
1
|
2
|
25
|
| 1975
|
1
|
|
|
|
|
|
2
|
4
|
5
|
5
|
3
|
1
|
21
|
| 1974
|
1
|
|
1
|
1
|
1
|
4
|
4
|
5
|
5
|
4
|
4
|
2
|
32
|
| 1973
|
|
|
|
|
|
|
7
|
5
|
2
|
4
|
3
|
|
21
|
| 1972
|
1
|
|
|
|
1
|
3
|
7
|
5
|
4
|
5
|
3
|
2
|
31
|
| 1971
|
1
|
|
1
|
3
|
4
|
2
|
8
|
5
|
6
|
4
|
2
|
|
36
|
| 1970
|
|
1
|
|
|
|
2
|
3
|
6
|
5
|
5
|
4
|
|
26
|
| 1969
|
1
|
|
1
|
1
|
|
|
3
|
4
|
3
|
3
|
2
|
1
|
19
|
| 1968
|
|
|
|
1
|
1
|
1
|
3
|
8
|
3
|
5
|
5
|
|
27
|
| 1967
|
|
1
|
2
|
1
|
1
|
1
|
7
|
9
|
9
|
4
|
3
|
1
|
39
|
| 1966
|
|
|
|
1
|
2
|
1
|
4
|
10
|
9
|
5
|
2
|
1
|
35
|
| 1965
|
2
|
1
|
1
|
1
|
2
|
3
|
5
|
6
|
7
|
2
|
2
|
|
32
|
| 1964
|
|
|
|
|
2
|
2
|
7
|
5
|
6
|
5
|
6
|
1
|
34
|
| 1963
|
|
|
|
1
|
|
4
|
4
|
3
|
5
|
4
|
|
3
|
24
|
| 1962
|
|
1
|
|
1
|
2
|
|
5
|
8
|
4
|
5
|
3
|
1
|
30
|
| 1961
|
1
|
|
1
|
|
2
|
3
|
4
|
6
|
6
|
4
|
1
|
1
|
29
|
| 1960
|
|
|
|
1
|
1
|
3
|
3
|
10
|
3
|
4
|
1
|
1
|
27
|
| 1959
|
|
1
|
1
|
1
|
|
|
2
|
5
|
5
|
4
|
2
|
2
|
23
|
| 1958
|
1
|
|
|
1
|
1
|
4
|
7
|
5
|
5
|
3
|
2
|
2
|
31
|
| 1957
|
2
|
|
|
1
|
1
|
1
|
1
|
4
|
5
|
4
|
3
|
|
22
|
| 1956
|
|
|
1
|
2
|
|
1
|
2
|
5
|
6
|
1
|
4
|
1
|
23
|
| 1955
|
1
|
1
|
1
|
1
|
|
2
|
7
|
6
|
4
|
3
|
1
|
1
|
28
|
| 1954
|
|
|
1
|
|
1
|
|
1
|
5
|
5
|
4
|
3
|
1
|
21
|
| 1953
|
|
1
|
|
|
1
|
2
|
1
|
6
|
3
|
5
|
3
|
1
|
23
|
| 1952
|
|
|
|
|
|
3
|
3
|
5
|
3
|
6
|
3
|
4
|
27
|
| 1951
|
|
1
|
1
|
2
|
1
|
1
|
3
|
3
|
2
|
4
|
1
|
2
|
21
|
