welcome to the waze community. if you had network connection during most of your drives you will see those points show up sooner or later. The system that collects the chomping data is different than the one that displays on the web & on the client. Typically nightly they would update/sync the data to the web & client. But recently there have been too much data for their system to handle. Once they upgrade or fix their system the data should start showing up again.
In my experience, when the client crashes, it request the counter from the server. The server will not have the newly collected points since it has not been updated. So you will see the older number. Rest assured if you had network connection before the crash, those points will show up 24 - 48 hours. They've been having server issues this week so it will probably take several days to show up.
Have fun wazing and see you around the forums.