cannabis and gross domestic product prices, 2018
Table:
first quarter
second quarter
third quarter
fourth quarter

statscannabis average price

all cannabis
6.82
6.93
7.09
7.39

of which: legal cannabis
.
.
.
9.70

of which: illegal cannabis
.
.
.
6.51

implicit price indexes

gross domestic product at market prices
107.7
108.0
108.6
107.7

of which: cannabis-related
81.2
81.4
82.6
83.5

of which: other
108.0
108.3
108.9
108.0

implicit price indexes, percentage change

gross domestic product at market prices
0.5
0.3
0.6
-0.8

of which: cannabis-related
1.2
0.2
1.5
1.1

of which: other
0.5
0.3
0.6
-0.8

Give a precise answer to the following question using only the table information. Enclose the answer in the list of the following JSON object {"answer": ["YOUR ANSWER"]}. If more than one item applies, separate items with commas. Caption of the table: 'cannabis and gross domestic product prices, 2018'. Relying on the table, answer the following: In the fourth quarter of 2018, how mush was the average price of illegal cannabis lower than the price of legal cannabis?

{"answer": ["0.328866"]}