Siobhan Kendrick

Siobhan Kendrick (born January 1992) started her personal chart in 2005. The chart contained 40 positions from 2005, but expanded to as many as 50 in 2006. Expanded to 75 in 2008, and finally 100 in 2009. On September 17, 2013, it was announced that the chart would expand to 125 positions in 2014.

Charting periods
A "charting year" starts in the final week of February.

A "charting decade" starts in the final week of February, with the ones position of the year starting with the number 5.

A "charting Spring" starts in the final week of February and ends the week before the final week of May.

A "charting Summer" starts in the final week of May and ends in the third week of September.

A "charting Autumn" starts in the fourth week of September and ends in the second week of December.

A "charting Winter" starts in the third week of December and ends the week before the final week of February.