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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
REVENUES |  |  |
Rental income | $ 2,463,997 | $ 2,571,705 | $ 2,700,691
EXPENSES |  |  |
Property and maintenance | 453,532 | 440,998 | 446,845
Real estate taxes and insurance | 397,105 | 381,562 | 366,139
Property management | 98,155 | 93,825 | 95,344
General and administrative | 56,506 | 48,305 | 52,757
Depreciation | 838,272 | 820,832 | 831,083
Total expenses | 1,843,570 | 1,785,522 | 1,792,168
Net gain (loss) on sales of real estate properties | 1,072,183 | 531,807 | 447,637
Impairment | (16,769) |  |
Operating income | 1,675,841 | 1,317,990 | 1,356,160
Interest and other income | 25,666 | 5,935 | 3,201
Other expenses | (19,275) | (17,510) | (18,177)
Interest: |  |  |
Expense incurred, net | (272,473) | (365,073) | (390,076)
Amortization of deferred financing costs | (8,737) | (8,939) | (11,670)
Income before income and other taxes, income (loss) from investments in unconsolidated entities and net gain (loss) on sales of land parcels | 1,401,022 | 932,403 | 939,438
Income and other tax (expense) benefit | (915) | (852) | 2,281
Income (loss) from investments in unconsolidated entities | (3,398) | (3,284) | 65,945
Net gain (loss) on sales of land parcels | 5 | 34,234 | 2,044
Net income | 1,396,714 | 962,501 | 1,009,708
Net (income) loss attributable to Noncontrolling Interests: |  |  |
Operating Partnership | (45,900) | (34,010) | (36,034)
Partially Owned Properties | (17,964) | (14,855) | (3,297)
Net income attributable to controlling interests | 1,332,850 | 913,636 | 970,377
Preferred distributions | (3,090) | (3,090) | (3,090)
Net income available to Common Shares | $ 1,329,760 | $ 910,546 | $ 967,287
Earnings per share – basic: |  |  |
Net income available to Common Shares | $ 3.56 | $ 2.45 | $ 2.61
Weighted average Common Shares outstanding | 373,833 | 371,791 | 370,461
Earnings per share – diluted: |  |  |
Net income available to Common Shares | $ 3.54 | $ 2.45 | $ 2.60
Weighted average Common Shares outstanding | 388,089 | 385,874 | 386,333

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