<p>I just looked up the numbers. It’s true that 1957 was the absolute peak year, but 1961 and 1962 were both within 1% of that, and more kids were born in 1961-62 than were born in 1956-57. By contrast, the number of births in 1965 was 88% of 1957 and 1962. A very sharp drop-off.</p>