Table schema:
CREATE TABLE table_11251601_2 (percentage_of_global_total VARCHAR, carbon_dioxide_emissions_per_year__tons_per_person___2007_ VARCHAR)

Question: HOW MUCH IS THE PERCENTAGE OF GLOBAL TOTAL EMISSIONS IN THE COUNTRY THAT PRODUCED 4.9 TONS PER PERSON IN 2007?
SQL: SELECT percentage_of_global_total FROM table_11251601_2 WHERE carbon_dioxide_emissions_per_year__tons_per_person___2007_ = "4.9"