2011 - 12.3%

The 2011 12.3% is the baseline measurement.

2012 - 16.4%

The 2012 increase to 16.4% from 2011 represents a 4.1% increase YoY.

2013 - 15.9%

The 2013 decrease to 15.9% from 2012 represents a -0.5% decrease YoY.

2014 - 14.3%

The 2014 decrease to 14.3% from 2013 represents a -1.6% decrease YoY.

2015 - 11.7%

The 2015 decrease to 11.7% from 2014 represents a -2.6% decrease YoY.

2016 - 10.4%

The 2016 decrease to 10.4% from 2015 represents a -1.3% decrease YoY.

2017 - 13.3%

The 2017 increase to 13.3% from 2016 represents a 2.9% increase YoY.

2018 - 6.1%

The 2018 decrease to 6.1% from 2017 represents a -7.2% decrease YoY.

2019 - 11.2%

The 2019 increase to 11.2% from 2018 represents a 5.1% increase YoY.

2021 - 12.7%

The 2021 increase to 12.7% from 2019 represents a 1.5% increase YoY.

2022 - 8.5%

The 2022 decrease to 8.5% from 2021 represents a -4.2% decrease YoY.

2023 - 7.6%

The 2023 decrease to 7.6% from 2022 represents a -0.9% decrease YoY.