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:
| Data | Headcount | Percent of total | Less than $25,000 | $25,000 to $40,000 | $40,000 to $50,000 | $50,000 to $60,000 | $60,000 to $70,000 | $70,000 to $80,000 | More than $80,000 | Mean |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Educational administrators | 1965.0 | 2.2% | 1.93% | 0.51% | 0.92% | 0.97% | 1.42% | 2.85% | 90.08% | $116,855 |
| Tenured and tenure tracked faculty | 18196.0 | 20.3% | 0.21% | 0.92% | 2.21% | 7.85% | 16.24% | 23.10% | 48.70% | $78,498 |
| Classified administrators | 1470.0 | 2.0% | 1.6% | 1.22% | 4.29% | 8.71% | 11.29% | 15.24% | 57.69% | $87,816 |
| Classified professionals | 1817.0 | 2.0% | 7.82% | 7.93% | 10.24% | 18.66% | 17.56% | 14.14% | 21.79% | $62,161 |
| Classified support staff | 24425.0 | 27.3% | 10.51% | 25.85% | 30.62% | 16.68% | 7.42% | 2.80% | 1.85% | $43,773 |
| Academic temporary instructors | 41624.0 | 46.5% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Question:
What's the total percent of the $40-50K ones that have n/a?
Answer:
46.5%