DATE=1
NUMBER=2
AND=3
AGO=4
THIS=5
LAST=6
PREVIOUS=7
BETWEEN=8
TODAY=9
YESTERDAY=10
FROM=11
TO=12
DATE_RANGE=13
NUMERIC_DATE_RANGE=14
WS=15
NUMERIC=16
WHITESPACES=17
DAYS=18
MONTHS=19
WEEKS=20
QUARTERS=21
YEARS=22
DAY=23
MONTH=24
WEEK=25
QUARTER=26
YEAR=27