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Trend in imputation rates
State of Offense: Iowa
| Year |
Age |
Sex |
Race |
Placement status |
Most serious offense |
| 1997 |
1.0% |
0.8% |
0.8% |
6.6% |
1.3% |
| 1999 |
29.0% |
4.3% |
27.2% |
3.2% |
28.8% |
| 2001 |
8.3% |
2.3% |
8.1% |
1.4% |
16.9% |
| 2003 |
6.1% |
0.0% |
5.5% |
2.9% |
6.9% |
| 2006 |
21.4% |
2.4% |
21.4% |
20.5% |
22.1% |
| 2007 |
8.1% |
4.1% |
7.8% |
2.4% |
19.0% |
| 2010 |
0.9% |
0.0% |
0.0% |
4.2% |
4.2% |
| 2011 |
0.4% |
0.0% |
0.5% |
2.9% |
0.4% |
| 2013 |
1.4% |
0.0% |
1.2% |
5.6% |
2.2% |
| 2015 |
5.8% |
5.8% |
7.1% |
14.8% |
4.1% |
| 2017 |
0.5% |
0.0% |
0.2% |
2.6% |
2.2% |
| 2019 |
0.9% |
0.5% |
1.8% |
8.4% |
2.5% |
| 2021 |
8.3% |
0.0% |
8.3% |
4.5% |
8.6% |