2011 - 40.9%

The 2011 40.9% is the baseline measurement.

2012 - 42.3%

The 2012 increase to 42.3% from 2011 represents a 1.4% increase YoY.

2013 - 40.7%

The 2013 decrease to 40.7% from 2012 represents a -1.6% decrease YoY.

2014 - 39.3%

The 2014 decrease to 39.3% from 2013 represents a -1.4% decrease YoY.

2015 - 39.8%

The 2015 increase to 39.8% from 2014 represents a 0.5% increase YoY.

2016 - 35.7%

The 2016 decrease to 35.7% from 2015 represents a -4.1% decrease YoY.

2017 - 34.5%

The 2017 decrease to 34.5% from 2016 represents a -1.2% decrease YoY.

2018 - 33.4%

The 2018 decrease to 33.4% from 2017 represents a -1.1% decrease YoY.

2019 - 30.6%

The 2019 decrease to 30.6% from 2018 represents a -2.8% decrease YoY.

2021 - 30.2%

The 2021 decrease to 30.2% from 2019 represents a -0.4% decrease YoY.

2022 - 33.8%

The 2022 increase to 33.8% from 2021 represents a 3.6% increase YoY.

2023 - 31.9%

The 2023 decrease to 31.9% from 2022 represents a -1.9% decrease YoY.