Table:
|  |  | Year Ended December 31, |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | Percent Change |
| Other Operating Data |  |  |  |
| Average Revenue Per Unit (ARPU) |  |  |  |
| ARPU—on-net | $ 461 | $ 480 | (3.8)% |
| ARPU—off-net | $ 1,097 | $ 1,155 | (5.0)% |
| Average price per megabit | $ 0.62 | $ 0.82 | (23.9)% |
| Customer Connections—end of period |  |  |  |
| On-net | 74,554 | 68,770 | 8.4% |
| Off-net | 11,660 | 10,974 | 6.3% |
Paragraphs:
Results of Operations
Year Ended December 31, 2019 Compared to the Year Ended December 31, 2018
Our management reviews and analyzes several key financial measures in order to manage our business and assess the quality of and variability of our service revenue, operating results and cash flows. The following summary tables present a comparison of our results of operations with respect to certain key financial measures. The comparisons illustrated in the tables are discussed in greater detail below.
Question:
What is the average number of on-net customer connections at the end of the period in 2018 and 2019?
Answer: (68770 + 74554)/2  = 71662