Year#Maximum IFMinimum IFAverage IF
20242816.42.2925.458
2023189.7560.4134.745
2022156.8882.3464.09
2021125.2350.593.535
2020108.0252.8735.129
2019125.5892.0353.658
2018118.0251.7144.332
20172111.8890.4134.416
20162712.8221.0994.352
20153610.7231.7144.046
2014398.3070.4133.833
20133411.4670.4133.989
2012227.050.4133.714
20112510.1031.6393.801
2010167.050.9443.421
200936.16.16.1
20081710.3341.5153.654
2007118.0390.6644.324
200666.1622.944.955