5 0.1 ±0.1
10 0.2 ±0.2
25 0.5 ±0.5
50 1.0 ±0.25
100 1.0 ±0.5
250 2.0 ±1.0
500 5.0 ±2.5
1000 10 ±5.0
2000 20 ±10