Only add row when the number of values is the same as the number of columns. Related to Issue [WTI-1330]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10331 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 6140183ea6ad4af4d8cc5594078cef7fb6aa3dc4Former-commit-id: 5e1321036d0893046cdf1ff117801abb97033830