| Income | Treatment cost | ||||||
|
| <90,000 | [90,000 to 180,000[ | [180,000 to 270,000[ | [270,000 to 359,000[ | [360,000 to 450,000[ | >450,000 | Total |
| <50,000 | 6 | 9 | 5 | 0 | 0 | 0 | 20 |
|
| 4.94 | 8.91 | 9.95 | 0.00 | 0.00 | 0.00 | 17.82 |
| [50,000 to | 15 | 26 | 10 | 0 | 1 | 1 | 53 |
| 100,000[ | 14.85 | 25.74 | 9.90 | 0.00 | 0.99 | 0.99 | 52.48 |
| [100,000 to | 3 | 4 | 3 | 2 | 0 | 0 | 12 |
| 150,000[ | 2.97 | 3.96 | 2.97 | 1.98 | 0.00 | 0.00 | 11.88 |
| [150,000 to | 0 | 4 | 1 | 1 | 0 | 1 | 7 |
| 200,000[ | 0.00 | 3.96 | 0.99 | 0.99 | 0.00 | 0.99 | 6.93 |
| [200,000 to | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
| 300,000[ | 0.99 | 0.99 | 0.00 | 0.00 | 0.00 | 0.00 | 1.98 |
| >300,000 | 1 | 5 | 0 | 0 | 1 | 0 | 7 |
|
| 0.99 | 4.95 | 0.00 | 0.00 | 0.99 | 0.00 | 6.93 |
|
|
|
|
|
|
|
|
|
| Total | 26 | 49 | 19 | 3 | 2 | 2 | 101 |
|
| 25.74 | 48.51 | 18.81 | 2.97 | 1.98 | 1.98 | 100.00 |