You’re showing left-handedness rising by roughly 300%.
Transsexualism was estimated at roughly 1 in 46,000 people in the 1990s. Today, 2.4% of Americans identify as transgender. That is an increase of approximately 110,700%, or more than 1,100-fold.
300 percent is plausible. 110,700 percent is social contagion.
This chart is one of the best examples that falsifies the "everyone is coming out as gay/trans because it's a trend" argument.