100 million:

200 million:

300 million:

400 million:

500 million:

600 million:

700 million:

800 million:

900 million:

1 billion:

1.1 billion:

1.2 billion:

1.3 billion:

1.4 billion:

1.5 billion:

1.6 billion:

1.7 billion:

1.8 billion:

1.9 billion:

2 billion:

2.1 billion:

2.2 billion:

2.3 billion:

2.4 billion:

2.5 billion:

2.6 billion:

2.7 billion:

2.8 billion:

2.9 billion:

3 billion:

3.1 billion:

3.2 billion:

3.3 billion:

3.4 billion:

3.5 billion:

3.6 billion:

3.7 billion:

3.8 billion:

3.9 billion:

4 billion:

4.1 billion:

4.2 billion:

4.3 billion:

4.4 billion:

4.5 billion:

4.6 billion:

4.7 billion:

4.8 billion:

4.9 billion:

5 billion:

5.1 billion:

5.2 billion:

5.3 billion:

5.4 billion:

5.5 billion:

5.6 billion:

5.7 billion:

5.8 billion:

5.9 billion:

6 billion:

6.1 billion:

6.2 billion:

6.3 billion:

6.4 billion: