To determine which country had the largest percentage of the world's manufacturing by 1913, we need to examine the data provided in the chart for 1913. The relevant information is:
- Great Britain: 16%
- France: 14%
- Russia: 6%
- Belgium: 6%
- Italy: 2%
We will compare these percentages to identify the country with the highest value.
1. Great Britain: 16%
2. France: 14%
3. Russia: 6%
4. Belgium: 6%
5. Italy: 2%
From these values, we can see that the country with the largest percentage in 1913 is Great Britain with 16%.
Thus, the answer is Great Britain.