The total production of flovour Z in 1997 and 1998 is what percentage of the total production of flavour X in 1995 and 1996?
The total production of flavour Z in 1997 and 1998 is what percentage of the total production of flavour X in 1995 and 1996?
What is the difference between the average production of flavour X in 1995, 1996 and 1997 and the average production of flavour Y in 1998, 1999 and 2000?
What was the approximate percentage decline in the production of flavour Z in 2000 as compared to the production in 1998?