As summarized in Table 4 above, 378 typhoons hit Taiwan in the past hundred some years, with an annual average hit frequency of 3 to 4 times. The maximum number of occurrences was in 1914,1923,1952 and 2001 with 7 hits, and no hits occurred in 1941 and 1964. The following table depicts the numbers of years for each annual hit frequency.

Annual hit frequency	0	1	2	3	4	5	6	7
Number of years	2	15	15	37	18	16	7	4