What percentage of the membership fees recorded as revenue in 2019 is due to memberships initiated or renewed during fiscal year 2019?

CONSOLIDATED STATEMENTS OF INCOME (amounts in millions, except per share data) 52 Weeks Ended 52 Weeks Ended 53 Weeks Ended September 1, 2019 September 2, 2018 September 3, 2017 REVENUE Net sales 24 149,351 %2. 138.434 126,172 Membership fees 3,352 3,142 2,853 Total revenue 152,703 141,576 129,025 OPERATING EXPENSES Merchandise costs 132,886 123,152 111,882 13,876 12,950 Selling, general and administrative Preopening expenses Operating income OTHER INCOME (EXPENSE) 14,994 86 68 82 4,737 4,480 4,111 Interest expense (150) (159) (134) Interest income and other, net 178 121 62 INCOME BEFORE INCOME TAXES 4,765 4,442 4,039 Provision for income taxes 1,061 1,263 1,325 Net income including noncontroling interests 3,704 3,179 2,714 Net income atributable to noncontroling interests (45) (45) (35) NET INCOME ATTRIBUTABLE TO COSTCO 3,659 3.134 2,679 NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO: Basic 8.32 7.15 6.11 Diluted 8.26 %24 7.09 6.08 Shares used in calculation (000's) Basic 439,755 438,515 438,437 Diluted 442,923 441,834 440,937