added new indicators in statvars.csv in WorldBankDatasets (#2008)

* added new indicators in statvars.csv

* added new indicators in statvars.csv

* added new indicators in statvars.csv

Author: niveditasing

scripts/world_bank/datasets/statvars.csv

@@ -2505,3 +2505,8 @@ VC.IDP.TOCV,,worldBank/VC_IDP_TOCV
 VC.IHR.PSRC.FE.P5,,worldBank/VC_IHR_PSRC_FE_P5
 VC.IHR.PSRC.MA.P5,,worldBank/VC_IHR_PSRC_MA_P5
 VC.IHR.PSRC.P5,,worldBank/VC_IHR_PSRC_P5
+PA.NUS.GDP.PLI,,worldBank/PA_NUS_GDP_PLI
+PA.NUS.PRVT.PLI,,worldBank/PA_NUS_PRVT_PLI
+NE.CON.PCAP.PP.KD,,worldBank/NE_CON_PCAP_PP_KD
+NE.CON.PCAP.PP.CD,,worldBank/NE_CON_PCAP_PP_CD
+SH.DTH.OCVD.ZS,,worldBank/SH_DTH_OCVD_ZS