time builder long term average

lta

"date","year","obsValue"
"2011-01-01 00:00:00",2011,55743
"2011-02-01 00:00:00",2011,50954
"2011-03-01 00:00:00",2011,57373
"2011-04-01 00:00:00",2011,54986
"2011-05-01 00:00:00",2011,58857
"2011-06-01 00:00:00",2011,66204
"2011-07-01 00:00:00",2011,65438
"2011-08-01 00:00:00",2011,72016
"2011-09-01 00:00:00",2011,68782
"2011-10-01 00:00:00",2011,63246
"2011-11-01 00:00:00",2011,62139
"2011-12-01 00:00:00",2011,59410
"2012-01-01 00:00:00",2012,59657
"2012-02-01 00:00:00",2012,52740
"2012-03-01 00:00:00",2012,58896
"2012-04-01 00:00:00",2012,65796
"2012-05-01 00:00:00",2012,76819
"2012-06-01 00:00:00",2012,64787
"2012-07-01 00:00:00",2012,66959
"2012-08-01 00:00:00",2012,85042
"2012-09-01 00:00:00",2012,62430
"2012-10-01 00:00:00",2012,59727
"2012-11-01 00:00:00",2012,73222
"2012-12-01 00:00:00",2012,53776
"2013-01-01 00:00:00",2013,74352
"2013-02-01 00:00:00",2013,52044
"2013-03-01 00:00:00",2013,54063
"2013-04-01 00:00:00",2013,68925
"2013-05-01 00:00:00",2013,56558
"2013-06-01 00:00:00",2013,55839
"2013-07-01 00:00:00",2013,76344
"2013-08-01 00:00:00",2013,64909
"2013-09-01 00:00:00",2013,58684
"2013-10-01 00:00:00",2013,77779
"2013-11-01 00:00:00",2013,58458
"2013-12-01 00:00:00",2013,56151
"2014-01-01 00:00:00",2014,68511
"2014-02-01 00:00:00",2014,60992
"2014-03-01 00:00:00",2014,61699
"2014-04-01 00:00:00",2014,59602
"2014-05-01 00:00:00",2014,62005
"2014-06-01 00:00:00",2014,64572
"2014-07-01 00:00:00",2014,72306
"2014-08-01 00:00:00",2014,67923
"2014-09-01 00:00:00",2014,65288
"2014-10-01 00:00:00",2014,68508
"2014-11-01 00:00:00",2014,64871
"2014-12-01 00:00:00",2014,62974
"2015-01-01 00:00:00",2015,65019
"2015-02-01 00:00:00",2015,58969
"2015-03-01 00:00:00",2015,65306
"2015-04-01 00:00:00",2015,60089
"2015-05-01 00:00:00",2015,62258
"2015-06-01 00:00:00",2015,62688
"2015-07-01 00:00:00",2015,66317
"2015-08-01 00:00:00",2015,70280
"2015-09-01 00:00:00",2015,66629
"2015-10-01 00:00:00",2015,66975
"2015-11-01 00:00:00",2015,62940
"2015-12-01 00:00:00",2015,60891
"2016-01-01 00:00:00",2016,61779
"2016-02-01 00:00:00",2016,57311
"2016-03-01 00:00:00",2016,61421
"2016-04-01 00:00:00",2016,60282
"2016-05-01 00:00:00",2016,63680
"2016-06-01 00:00:00",2016,70373
"2016-07-01 00:00:00",2016,70464
"2016-08-01 00:00:00",2016,70287
"2016-09-01 00:00:00",2016,68236
"2016-10-01 00:00:00",2016,59942
"2016-11-01 00:00:00",2016,57486
"2016-12-01 00:00:00",2016,56578
"2017-01-01 00:00:00",2017,59470
"2017-02-01 00:00:00",2017,54365
"2017-03-01 00:00:00",2017,60190
"2017-04-01 00:00:00",2017,54280
"2017-05-01 00:00:00",2017,62738
"2017-06-01 00:00:00",2017,70500
"2017-07-01 00:00:00",2017,69668
"2017-08-01 00:00:00",2017,62417
"2017-09-01 00:00:00",2017,54714
"2017-10-01 00:00:00",2017,56258
"2017-11-01 00:00:00",2017,53134
"2017-12-01 00:00:00",2017,51555
"2018-01-01 00:00:00",2018,54464
"2018-02-01 00:00:00",2018,46311
"2018-03-01 00:00:00",2018,47762
"2018-04-01 00:00:00",2018,48819
"2018-05-01 00:00:00",2018,52796
"2018-06-01 00:00:00",2018,59133
"2018-07-01 00:00:00",2018,58555
"2018-08-01 00:00:00",2018,60418
"2018-09-01 00:00:00",2018,52677
"2018-10-01 00:00:00",2018,54566
"2018-11-01 00:00:00",2018,51391
"2018-12-01 00:00:00",2018,49601