| January 1973 = | 0 |
| February 1973 = | 1 |
| March 1973 = | 0 |
| April 1973 = | 0 |
| May 1973 = | 0 |
| June 1973 = | 0 |
| July 1973 = | 0 |
| August 1973 = | 2 |
| September 1973 = | 0 |
| October 1973 = | 11 |
| November 1973 = | 28 |
| December 1973 = | 13 |
| January 1974 = | 10 |
| February 1974 = | 16 |
| March 1974 = | 13 |
| April 1974 = | 8 |
| May 1974 = | 3 |
| June 1974 = | 8 |
| July 1974 = | 7 |
| August 1974 = | 17 |
| September 1974 = | 2 |
| October 1974 = | 2 |
| November 1974 = | 0 |
| December 1974 = | 0 |