But it's a graph of bachelor's degrees, and you don't get a bachelor's degree to do word processing or operate a keypunch. I can tell you this because my mom was a keypunch operator. She did have a bachelor's degree, but it was in diplomacy, and she was finishing up her master's in special education. These are generally not considered computer science degrees.
In some of the worst life advice anyone has ever given, her sister encouraged her to pursue a career in special ed because it would be an easy way to make money. My mom, like most people, was not cut out for teaching special needs children. On her first day as a student teacher, as soon as her mentor left the room, all the students fled out the windows, leaving her at a complete loss. (She didn't specify when she first told me, but these were first-story windows, making it a less-interesting but also less-tragic story.)
At the same time, she had a part-time job as a keypunch operator, which is the exact same mind-numbing job that data entry is today -- read a form, type the words onto a machine. The only difference is the typing made holes in a card that you put into a giant computer, which is very funny today and gives us a good laugh at how backwards people were in the '70s.
Punch cards are the computer version of leisure suits.
After graduating, I assume she burned her special ed degree and fired the ashes into space (I'm filling in the blanks here), and she started doing the keypunch job full time. One day, some people in suits burst into the keypunch room and announced that they were desperate for COBOL programmers (artist's reimagining).
Computers were still pretty new, and schools hadn't been able to put out enough computer science graduates to fill the vast need out there. Desperate employers were grabbing people from wherever they could -- keypunch operators, clerks, maybe some homeless people -- administering a logic test, telling the top candidates, "You are a programmer now," and dropping them in front of a computer.
My mom said she got the highest logic test score of all the applicants. I can't verify that, but she did get a job. With absolutely no programming experience, she had to learn COBOL pretty much by asking her co-workers for help line by line, making sure to rotate between different co-workers every day to avoid exhausting anyone's patience. Incredibly, this worked. She became an actual programmer.
She moved on to get better jobs doing COBOL programming until some dumb baby derailed her promising career.