Year
.
1973
5 800
5 800
---
1974
6 740
---
6 323
1975
7 000
---
4 482
1976
7 200 a
---
5 515
1977
6 500
---
8 391
1978
2 100
---
3 759
a Includes $1 700 000 for the transition quarter.