I have 2 sets of data, for 2 indicators, over time. Format shown below (of course, the data sets are much bigger)
Data set 1 (indicator A)
<tbody>
City
2009
2010
2011
2012
2013
2014
2015
2016
2017
Airdrie
1
2
3
4
5
6
7
8
9
Brooks
9
8
7
8
4
2
1
2
5
Calgary
4
7
4
3
4
8
7
6
1
Duncan
7
5
6...