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You can count various case statements including the last "if" statement using the COUNT() function. For example:

SELECT COUNT(CASE WHEN condition1 THEN 1 END) AS count1, COUNT(CASE WHEN condition2 THEN 1 END) AS count2, COUNT(CASE WHEN condition3 THEN 1 END) AS count3, COUNT(CASE WHEN condition4 THEN 1 ELSE 0 END) AS count4 FROM your_table;

In this example, we are using the COUNT() function to count the number of times each condition is true in different case statements. The last case statement includes an "if" statement using the ELSE keyword, which sets the count to 0 if the condition is false.