id	type	year	percentage
1	Less Than High School	1997	17.89
2	High School Graduate	1997	33.76
3	Some College but No Degree	1997	17.22
4	Associate Degree	1997	7.27
5	Bachelor's Degree	1997	16.04
6	Master's Degree	1997	5.4
7	Professional Degree	1997	1.43
8	Doctoral Degree	1997	1.03
9	Less Than High School	2017	10.39
10	High School Graduate	2017	28.82
11	Some College but No Degree	2017	16.34
12	Associate Degree	2017	10.28
13	Bachelor's Degree	2017	21.33
14	Master's Degree	2017	9.49
15	Professional Degree	2017	1.46
16	Doctoral Degree	2017	1.88