_id	1993.0	1997.0	2002.0	2007.0	2012.0	2017.0	change
1	(miles)	(miles)	(miles)	(miles)	(miles)	(miles)	 (1993-2017)
2	424.0	472.0	546.0	619.0	630.0	679.0	0.0198140631811472
3	197.0	184.0	240.0	234.0	262.0	243.0	0.008782412505317305
4	144.0	144.0	173.0	206.0	227.0	206.0	0.015031134306834115
5	472.0	485.0	523.0	599.0	508.0	369.0	-0.010205167831313644
6	52.0	53.0	64.0	57.0	58.0	45.0	-0.006006108649546538
7	766.0	769.0	807.0	728.0	805.0	579.0	-0.011593920305853711
8	       c	482.0	568.0	520.0	908.0	259.0	       c
9	       c	177.0	450.0	144.0	275.0	188.0	       c
10	534.0	204.0	339.0	657.0	347.0	304.0	-0.023200308876262676
11	1861.0	1024.0	664.0	923.0	1157.0	359.0	-0.06626672359719366
12	       c	       c	c	c	1034.0	525.0	c 
13	1415.0	1380.0	1919.0	1304.0	1295.0	1403.0	-0.00035480079226024586
14	       c	e	e	e	e	e	c 
15	736.0	813.0	895.0	975.0	922.0	953.0	0.010824194973558132
16	734.0	813.0	894.0	975.0	922.0	953.0	0.010938807459258237
17	1403.0	1347.0	1413.0	1007.0	988.0	1177.0	-0.007291783866544721
18	1417.0	1265.0	1950.0	1429.0	1562.0	784.0	-0.0243603864200157
19	627.0	1092.0	957.0	1928.0	1073.0	1075.0	0.022717934395450445
20	1082.0	e	e	1182.0	e	1425.0	0.011539431157659319
21	229.0	122.0	130.0	116.0	2.0	1.0	-0.20260497531915278
22	""	""	""	""	""	""	""
23	""	""	""	""	""	""	""
24	""	""	""	""	""	""	""
25	""	""	""	""	""	""	""
26	""	""	""	""	""	""	""
27	""	""	""	""	""	""	""
28	""	""	""	""	""	""	""
29	""	""	""	""	""	""	""
30	""	""	""	""	""	""	""
31	""	""	""	""	""	""	""
32	""	""	""	""	""	""	""
33	""	""	""	""	""	""	""