Book distribution statistics by period, place and participant.
| # | Countries | Total books | Points | Reports | Period |
|---|---|---|---|---|---|
| 1 | United States | 966,735 | 535,136 | 1 | 1987 |
| 2 | Germany | 94,204 | 112,066 | 1 | 1987 |
| 3 | Switzerland | 77,306 | 92,693 | 1 | 1987 |
| 4 | Norway | 32,094 | 32,452 | 1 | 1987 |
| 5 | Sweden | 30,538 |
| 35,738 |
| 1 |
| 1987 |
| 6 | Denmark | 26,347 | 22,548 | 1 | 1987 |
| 7 | Austria | 23,803 | 20,852 | 1 | 1987 |
| 8 | Canada | 22,567 | 8,248 | 1 | 1987 |
| 9 | Serbia | 20,211 | 22,493 | 1 | 1987 |
| 10 | Belgium | 19,072 | 8,091 | 1 | 1987 |
| 11 | Finland | 11,966 | 12,001 | 1 | 1987 |
| 12 | Holland | 7,822 | 7,375 | 1 | 1987 |
| 13 | Puerto Rico | 5,948 | 3,148 | 1 | 1987 |
| 14 | Israel | 628 | 533 | 1 | 1987 |