_id	year	percent_changed
1	2558	9.74
2	2559	9.28
3	2560	10.85
4	2561	10.27
5	2562	2.17
6	2563	-58.45
7	2564	-52
8	2565	130.56
9	2566	66.96
10	2567	19.84
11	2568	-1.25