Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Years | Gender | Area | Authority | Decile | Roll |
| --- | --- | --- | --- | --- | --- | --- |
| Aria School | 1–6 | Coed | Aria | State | 5.0 | 55.0 |
| Benneydale School | 1–8 | Coed | Benneydale | State | 1.0 | 14.0 |
| Centennial Park School | 1–8 | Coed | Te Kuiti | State | 1.0 | 113.0 |
| Kinohaku School | 1–8 | Coed | Te Kuiti | State | 4.0 | 32.0 |
| Mapiu School | 1–8 | Coed | Mapiu | State | 4.0 | 9.0 |
| Mokau School | 1–8 | Coed | Mokau | State | 3.0 | 24.0 |
| Piopio College | 7–15 | Coed | Piopio | State | 4.0 | 202.0 |
| Piopio Primary School | 1–6 | Coed | Piopio | State | 5.0 | 129.0 |
| Piri Piri School | 1–8 | Coed | Te Kuiti | State | 4.0 | 22.0 |
| Pukenui School | 1–8 | Coed | Te Kuiti | State | 2.0 | 186.0 |
| Rangitoto School | 1–8 | Coed | Rangitoto | State | 6.0 | 40.0 |
| St Joseph's Catholic School | 1–8 | Coed | Te Kuiti | State integrated | 4.0 | 102.0 |
| Te Kuiti High School | 9–15 | Coed | Te Kuiti | State | 3.0 | 321.0 |
| Te Kuiti Primary School | 1–8 | Coed | Te Kuiti | State | 2.0 | 356.0 |
| Te Kura o Tahaaroa | 1–8 | Coed | Te Kuiti | State | 3.0 | 38.0 |
| Te Wharekura o Maniapoto | 1–15 | Coed | Te Kuiti | State | 2.0 | 96.0 |
| Waitomo Caves School | 1–8 | Coed | Waitomo Caves | State | 5.0 | 44.0 |
| Whareorino School | 1–8 | Coed | Mokau | State | 5.0 | 10.0 |
Question:
What is the average Decile with a state authority and a Name of mapiu school?
Answer:
4.0