1987

1987: 13 161 companies

1月 967 companies

2月 1 082 companies

3月 1 189 companies

4月 1 099 companies

5月 1 064 companies

6月 1 238 companies

7月 966 companies

8月 983 companies

9月 1 119 companies

10月 1 107 companies

11月 1 063 companies

12月 1 284 companies