1;2013-10-16 00:00:00;value1;value1
1;2015-05-05 00:00:00;value2;value2
1;2015-10-16 00:00:00;value1;value2
1;2016-02-23 00:00:00;value2;value1
2;2014-11-10 00:00:00;value1;value3
2;2015-08-01 00:00:00;value2;value4
3;2015-01-02 00:00:00;value2;value10
3;2015-05-03 00:00:00;value3;value20
3;2015-10-16 00:00:00;value3;value30
4;2013-10-16 00:00:00;value1;value1
4;2015-05-05 00:00:00;value2;value2
5;2015-10-16 00:00:00;value1;value2
6;2016-02-23 00:00:00;value2;value1
6;2014-11-10 00:00:00;value1;value3
6;2015-08-01 00:00:00;value2;value4
6;2015-01-02 00:00:00;value2;value10
7;2015-05-03 00:00:00;value3;value20
7;2015-10-16 00:00:00;value3;value30
