What the rate of offending for sexual crimes has been in each year since 2010.

The latest rates of crimes per 10,000 population were published in the Recorded Crime in Scotland, 2017-18 available at https://www.gov.scot/publications/recorded-crime-scotland-2017-18/ (Table 8)
Sexual Crimes recorded in Scotland per 10,000 population, 2008-09 to 2017-18
Crime/Crime Group
2008-09
2009-10
2010-11
2011-12
2012-13
2013-14
2014-15
2015-16
2016-17
2017-18
Sexual crimes¹
12
12
13
14
14
16
18
19
21
23
Rape & attempted rape
2
2
2
2
3
3
4
3
3
4
Sexual assault
6
7
6
5
6
6
7
7
8
9
Crimes associated with prostitution
1
1
1
1
1
1
1
0
1
0
Other sexual crimes
3
3
3
5
5
5
7
8
9
10
1
- Implementation of the Sexual Offences (Scotland) Act on 1 December 2010 affected the comparability of the breakdown of Sexual crimes over time. For further information please see the ‘Data Considerations’ section under Sexual crimes within Chapter 3 of the Recorded crime in Scotland 2017-2018 publication ( https://www.gov.scot/publications/recorded-crime-scotland-2017-18/ )
Number of proceedings in Scotland per 10,000 population, 2008-09 to 2017-18
Crime/Crimegroup
2008-09
2009-10
2010-11
2011-12
2012-13
2013-14
2014-15
2015-16
2016-17
2017-18
Sexual crimes
2
2
2
2
2
3
3
3
3
3
Rape and attemptedrape
0
0
0
0
0
0
1
0
1
0
Sexual assault
0
0
0
0
1
1
1
1
1
1
Crimes associatedwith prostitution
1
1
1
0
0
0
0
0
0
0
Other sexual crimes
1
1
1
1
1
1
2
2
1
1

Number of convictions in Scotland per 10,000 population, 2008-09 to 2017-18
Crime/Crime Group
2008-09
2009-10
2010-11
2011-12
2012-13
2013-14
2014-15
2015-16
2016-17
2017-18
Sexual crimes
2
2
2
2
2
2
2
2
2
2
Rape and attemptedrape
0
0
0
0
0
0
0
0
0
0
Sexual assault
0
0
0
0
0
0
1
1
1
1
Crimes associatedwith prostitution
1
1
1
0
0
0
0
0
0
0
Other sexual crimes
1
1
1
1
1
1
1
1
1
1