1990

1990: 34 195 companies

1月 2 357 companies

2月 2 398 companies

3月 3 017 companies

4月 3 009 companies

5月 2 923 companies

6月 2 906 companies

7月 3 478 companies

8月 3 182 companies

9月 2 624 companies

10月 2 858 companies

11月 2 787 companies

12月 2 656 companies