ukwiki new users gender nums per year

SQL

# Fugly, I know, but I was too lazy to figure out a more elegant query.

SET @years = '2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020';

WHILE (LOCATE(',', @years) > 0)
DO
    SET @year = SUBSTRING(ELT(1, @years), 1, 4);
    SET @years = SUBSTRING(@years, LOCATE(',',@years) + 1);
    select CONCAT("FOR YEAR ",@year, " -->") as year;
    select IFNULL(up_value, 'not specified') as gender, count(IFNULL(up_value, 1)) as num
    from ukwiki_p.user us  
    left join ukwiki_p.user_properties ps
    on ps.up_user = us.user_id
    where (ps.up_property = 'gender'  or ps.up_value is null) and us.user_editcount > 1 and us.user_registration BETWEEN DATE_FORMAT(CONCAT(@year, "-01-01"),'%Y%m%d%H%i%s') AND DATE_FORMAT(CONCAT(@year, "-12-31"),'%Y%m%d%H%i%s')
    group by up_value;
END WHILE;
SQL

Checking query status...
