| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | due to poor | 42 |
|
| 2 | due to increased | 30 |
|
| 3 | due to other | 24 |
|
| 4 | due to inadequate | 20 |
|
| 5 | due to different | 18 |
|
| 6 | due to natural | 18 |
|
| 7 | due to ill | 17 |
|
| 8 | due to popular | 15 |
|
| 9 | due to excessive | 14 |
|
| 10 | due to high | 13 |
|
| 11 | due to external | 13 |
|
| 12 | due to technical | 13 |
|
| 13 | due to financial | 12 |
|
| 14 | due to human | 12 |
|
| 15 | due to heavy | 12 |
|
| 16 | due to political | 11 |
|
| 17 | due to insufficient | 11 |
|
| 18 | due to social | 10 |
|
| 19 | due to limited | 10 |
|
| 20 | due to bad | 10 |
|
| 21 | due to reduced | 9 |
|
| 22 | due to chronic | 8 |
|
| 23 | due to low | 8 |
|
| 24 | due to internal | 8 |
|
| 25 | due to mechanical | 8 |
|
| 26 | due to personal | 8 |
|
| 27 | due to new | 7 |
|
| 28 | due to public | 7 |
|
| 29 | due to small | 7 |
|
| 30 | due to good | 7 |
|
