I came across this list at Wikipedia (not surprisingly, about spaceflight).  It lists *every* human spaceflight since April 12, 1961 (Vostok 1).  And the total surprised me: 282 Only 282 flights with humans in over 49 years.  Less than 6 per year on average.  This includes 3 flights from the X-15 program and 3 flights […]