1977

1977: 34 812 companies

1月 8 743 companies

2月 402 companies

3月 613 companies

4月 801 companies

5月 830 companies

6月 1 311 companies

7月 16 411 companies

8月 1 081 companies

9月 935 companies

10月 1 089 companies

11月 969 companies

12月 1 627 companies