2011 - 10.6%

The 2011 10.6% is the baseline measurement.

2012 - 9.1%

The 2012 decrease to 9.1% from 2011 represents a -1.5% decrease YoY.

2013 - 9.3%

The 2013 increase to 9.3% from 2012 represents a 0.2% increase YoY.

2014 - 8.8%

The 2014 decrease to 8.8% from 2013 represents a -0.5% decrease YoY.

2015 - 11.6%

The 2015 increase to 11.6% from 2014 represents a 2.8% increase YoY.

2016 - 10.2%

The 2016 decrease to 10.2% from 2015 represents a -1.4% decrease YoY.

2017 - 9%

The 2017 decrease to 9% from 2016 represents a -1.2% decrease YoY.

2018 - 9.3%

The 2018 increase to 9.3% from 2017 represents a 0.3% increase YoY.

2019 - 12.2%

The 2019 increase to 12.2% from 2018 represents a 2.9% increase YoY.

2021 - 10.1%

The 2021 decrease to 10.1% from 2019 represents a -2.1% decrease YoY.

2022 - 8.8%

The 2022 decrease to 8.8% from 2021 represents a -1.3% decrease YoY.

2023 - 9.9%

The 2023 increase to 9.9% from 2022 represents a 1.1% increase YoY.