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189 with 65 points is a long wait and you might not get a call before expiry as per the current scenario. There are no official information regarding the invitation for 190 NSW but as per different forums currently they are calling 75+
There are no official stats issued by the States with respect to the codes they actually offer nomination invites to (as opposed to those that are simply eligible). There is also no info on the points levels at which they invite people.
This makes it next to impossible to answer your question.
You could try filtering the timeline (on MD) for your code of interest to see the status of site members.
Have you seen the new statistics page we have introduced? Check out this link and keep an eye on the Statistics section for new modules to be added in near future!