www.desmoinesregister.com/story/news/l...
www.desmoinesregister.com/story/news/l...
By 1991, it had risen just a single percentage point.
By 1996, it was in the double digits.
By 2014, it was above 20%.
In 2021, it hit an all-time high of 28%.
By 1991, it had risen just a single percentage point.
By 1996, it was in the double digits.
By 2014, it was above 20%.
In 2021, it hit an all-time high of 28%.