In 1959, statewide salmon harvests were about 25 million salmon a year. In 1999 (forty years later) Alaska's commercial wild salmon catch was 214 million fish, the second largest in the state's history.
Interval Basics. Swim times vary according to age and ability. In general, average lap swimmers in a 100 m pool comfortably complete a 100 m swim in two minutes. A swimmer who has an easy interval time of two minutes would consider a 100 m time of one minute 30 seconds very good.
In all they need to travel about 18cm from the cervix through the uterus to the fallopian tubes. When you consider that they travel at a rate of roughly 2.5cm every 15 minutes, that's quite a trip. The fastest swimmers may find the egg in as little as 45 minutes. It can take the slowest up to 12 hours.