Table:
census metropolitan area
percent change in crime severity index from 2017 to 2018
violations driving the change in crime severity index

canada
2
increase in fraud, sexual assault (level 1) and shoplifting of $5,000 or under; partially offset by decrease in breaking and entering, and robbery

st. john's
12
increase in weapons violations, fraud, breaking and entering, and robbery; partially offset by decrease in homicide

halifax
2
increase in sexual assault (level 1) and fraud; partially offset by decrease in breaking and entering

moncton
15
increase in fraud, as well as robbery and homicide

saint john
-4
decrease in homicide; trafficking, production, importation or exportation of heroin; and child pornography; offset by increase in fraud and attempted murder

saguenay
-12
decrease in failure to stop and remain (traffic), and breaking and entering; partially offset by increase in sexual violations against children

quebec
-7
decrease in breaking and entering, attempted murder and homicide; partially offset by increase in fraud

sherbrooke
-2
decrease in breaking and entering; offset by increase in homicide

trois-rivieres
2
increase in sexual assault (level 1), fraud, and homicide; offset by decrease in failure to stop and remain (traffic), and attempted murder

montreal
-1
decrease in breaking and entering, and robbery; partially offset by increase in trafficking, production, importation or exportation of cocaine and heroin

gatineau
-2
decrease in breaking and entering; offset by increase in homicide

ottawa
7
increase in breaking and entering, sexual assault (level 1), fraud, theft of $5,000 or under

kingston
8
increase in breaking and entering, and sexual assault (level 1

belleville
-20
decreases in other violent criminal code violations (non-censensual distribution of intimate images, voyeurism), theft of $5,000 or under

peterborough
-10
decrease in breaking and entering, robbery and other violent criminal code violations (non-concensual distribution of intimate images, trafficking in persons); partially offset by increase in fraud

toronto
8
increase in homicide and fraud

hamilton
-3
decrease in robbery and failure to stop and remain (traffic); partially offset by increase in fraud and sexual assault (level 1

st. catharines-niagara
15
increase in trafficking, production and distribution of cannabis (cdsa) and cocaine, and breaking and entering

kitchener-cambridge-waterloo
6
increase in breaking and entering, fraud and theft of $5,000 or under

brantford
6
increase in theft of motor vehicle, homicide, and breaking and entering

guelph
1
increase in breaking and entering; partially offset by decrease in theft of $5,000 or under

london
7
increase in breaking and entering, fraud and theft of $5,000 or under

windsor
21
increase in breaking and entering, fraud, homicide and theft of $5,000 or under (non-shoplifting); partially offset by decrease in robbery

barrie
12
increase in breaking and entering and fraud; offset by decrease in homicide

greater sudbury
5
increase in breaking and entering, and sexual assault (level 1); partially offset by decrease in child pornography

thunder bay
9
increase in breaking and entering; robbery; fraud; trafficking, production and distribution of cannabis (pre-legalization); attempted murder; and homicide

winnipeg
10
increase in breaking and entering, robbery, shoplifting of $5,000 or under, fraud, and theft of $5,000 or under

regina
10
increase in breaking and entering, theft of motor vehicle, robbery, theft of $5,000 or under (non-shoplifting) and violent firearms violations

saskatoon
0
increase in fraud, homicide, and breaking and entering; partially offset by decrease in robbery

lethbridge
10
increases in fraud; sexual assault (level 1); trafficking, production or distribution of other drugs; breaking and entering; and assault (level 1 and 2); partially offset by decreases in homicide, other criminal code traffic violations (fail to stop or remain), theft of motor vehicle, robbery

calgary
5
increase in breaking and entering, administration of justice violations, as well as robbery; offset by decrease in homicide

edmonton
1
increase in shoplifting of $5,000 or under, breaking and entering, and fraud; partially offset by decrease in homicide

kelowna
6
increase in breaking and entering; trafficking, production and distribution of methamphetamine; theft under $5,000 (non-shoplifting); identity fraud; and trafficking, production or distribution of opioids (other than heroin); partially offset by decrease in homicide; trafficking, production and distribution of heroin

abbotsford-mission
2
increase in breaking and entering, theft of $5,000 or under (non-shoplifting) and sexual assault (level 1); offset by decrease in homicide, attempted murder and aggravated sexual assault (level 3

vancouver
-3
decrease in breaking and entering, and theft of motor vehicle

victoria
5
increase in fraud; partially offset by decrease in homicide

Statement: the largest increases in csi were recorded in the cmas of st. catharines-niagara.
Question: what was the largest increases in csi were recorded in the cmas of st. catharines-niagara?
Answer: [15.0]