2011 - 12%

The 2011 12% is the baseline measurement.

2012 - 12%

The 2012 decrease to 12% from 2011 represents a 0.0% decrease YoY.

2013 - 11.8%

The 2013 decrease to 11.8% from 2012 represents a -0.2% decrease YoY.

2014 - 12.2%

The 2014 increase to 12.2% from 2013 represents a 0.4% increase YoY.

2015 - 9.6%

The 2015 decrease to 9.6% from 2014 represents a -2.6% decrease YoY.

2016 - 11.2%

The 2016 increase to 11.2% from 2015 represents a 1.6% increase YoY.

2017 - 10.1%

The 2017 decrease to 10.1% from 2016 represents a -1.1% decrease YoY.

2018 - 10.4%

The 2018 increase to 10.4% from 2017 represents a 0.3% increase YoY.

2019 - 11%

The 2019 increase to 11% from 2018 represents a 0.6% increase YoY.

2021 - 13.8%

The 2021 increase to 13.8% from 2019 represents a 2.8% increase YoY.

2022 - 11.5%

The 2022 decrease to 11.5% from 2021 represents a -2.3% decrease YoY.

2023 - 10%

The 2023 decrease to 10% from 2022 represents a -1.5% decrease YoY.