1.0 - 1.3

GRAY

 1.4 - 1.6

BLACK

 1.7 - 1.9

YELLOW

 2.0 - 2.4

RED

2.5 - 2.9

PINK

3.0 - 3.9

ORANGE

4.0 - 4.9

BLUE

5.0 - 5.9

PURPLE

6.0 - 6.9

GREEN

Grade 1

60

Grade 2

100

Grade 3

125

Grade 4

150

Grade 5

175

Grade 6

200