year's last day unreported

[dabenavidesd]

Good day everyone of you:
I have been browsing IT Services report (daily) of all my monitored servers, but unlike 2015, it doesn't display "31 Dic 2016" to anyone.
Does anybody know what would be the cause?

Thanks in advance

[dabenavidesd]

A possible cause

Good day everyone:
I have seen, last year (2016) was a leap year, while a year before last year (2015) wasn't.
Could be that IT Services 2016 daily report doesn't show Dec 31st, 2016; but it does print Dec 31st, 2015 in that year's daily report, because Zabbix has coded 365 in IT Services daily reports screen?
It's good to note that all data counters show data in Dec 31st, 2016. So the data does exist.
I have Zabbix 2.0.6, what can I do to solver this issue? Help pelase
Thanks in advance