Let's analyze the percentage changes for each country from 1870 to 1913:
1. The United States:
- 1870: 23%
- 1913: 36%
- Increase: 36% - 23% = 13%
2. Germany:
- 1870: 13%
- 1913: 16%
- Increase: 16% - 13% = 3%
3. Great Britain:
- 1870: 32%
- 1913: 14%
- Decrease: 14% - 32% = -18%
4. France:
- 1870: 10%
- 1913: 6%
- Decrease: 6% - 10% = -4%
5. Russia:
- 1870: 4%
- 1913: 6%
- Increase: 6% - 4% = 2%
6. Belgium:
- 1870: 3%
- 1913: 2%
- Decrease: 2% - 3% = -1%
Now, by examining these changes, we find:
- The United States had an increase of 13%.
- Germany had an increase of 3%.
- Great Britain had a decrease of 18%.
- France had a decrease of 4%.
- Russia had an increase of 2%.
- Belgium had a decrease of 1%.
The country with the greatest percentage increase in world manufacturing from 1870 to 1913 is the United States, with an increase of 13%.