if (dates.getCreated() != null)
distribution.incrementCount(String.valueOf(dates.getCreated().getYear()));
if (dates.getPosted() != null)
distribution.incrementCount(String.valueOf(dates.getPosted().getYear()));
if (dates.getValidTil() != null)
distribution.incrementCount(String.valueOf(dates.getValidTil().getYear()));
if (dates.getInfoCutOff() != null)
distribution.incrementCount(String.valueOf(dates.getInfoCutOff().getYear()));
if (dates.getApprovedOn() != null)
distribution.incrementCount(String.valueOf(dates.getApprovedOn().getYear()));
if (dates.getReceivedOn() != null)