Complex sentence: The grand total for 1914 shows a "net gain" of 1,131,454 from 1905 to 1906; reflect the loss of territory and population (Balkan Wars) in Europe, as the total net gain figure would be 3,496,068.
Split into simpler sentences: The grand total for 1914 showed a "net gain" of 1,131,454 from 1905-1906. The data reflects the loss of territory and population in Europe due to Balkan Wars, as the total net gain figure would be 3,496,068.