Procedure count - created tables

Fixed merges of op datasets and ip+op datasets
Then converted dataset to Stata and created output table to send to Amy
with counts of procedures and R's with procedures
SIC - Dementia table work

Split into proxy vs core interviews
Also minor fix to 2008 ivw table to get n's right
Spouse - moved where pull xwalk id for s

Now xwalk id is pulled with spouse restricted data, changed from pulling
with exit data since not all spouses have exit interviews
Spouse claims - new project

Started code file for new spouse claims link work
Added initial table to get sample estimate for those S with xwalk id