Table:
|  | As of December 31, |  |  |  |
| --- | --- | --- | --- | --- |
|  | 2019 |  | 2018(1) |  |
|  | Amount | % of total | Amount | % of total |
| United States | $385,302 | 85% | $426,321 | 85% |
| Singapore | 63,556 | 14% | 71,945 | 14% |
| Rest of world | 5,034 | 1% | 3,368 | 1% |
| Total | $453,892 | 100% | $501,634 | 100% |
Paragraphs:
The determination of which country a particular sale is allocated to is based on the destination of the product shipment. No other individual country accounted for more than 10% of net revenue during these periods. Although a large percentage of the Company’s products is shipped to Asia, and in particular, China, the Company believes that a significant number of the systems designed by customers and incorporating the Company’s semiconductor products are subsequently sold outside Asia to Europe, Middle East, and Africa, or EMEA markets and North American markets.
Long-lived assets, which consists of property and equipment, net, leased right-of-use assets, intangible assets, net, and goodwill, by geographic area are as follows (in thousands):
(1) Amounts do not include leased right-of-use assets in the prior period due to the adoption of ASC 842 under the modified retrospective method with a cumulative effect adjustment to accumulated deficit as of January 1, 2019.
Question:
What was the average total amount in 2018 and 2019?
Answer: (453892 + 501634) / 2 = 477763