How many people use traditional chinese medicine in the united states?

i am looking for up-to-date information (with source material if possible) on this topic. if broken down by category (for example, use of herbals, acupuncture, etc.) that would be even better.

this was the best I could find
In China, traditional herbal preparations account for 30%-50% of the total medicinal consumption.
In Ghana, Mali, Nigeria and Zambia, the first line of treatment for 60% of children with high fever resulting from malaria is the use of herbal medicines at home.
WHO estimates that in several African countries traditional birth attendants assist in the majority of births.
In Europe, North America and other industrialized regions, over 50% of the population have used complementary or alternative medicine at least once.
In San Francisco, London and South Africa, 75% of people living with HIV/AIDS use TM/CAM.
70% of the population in Canada have used complementary medicine at least once.
In Germany, 90% of the population have used a natural remedy at some point in their life. Between 1995 and 2000, the number of doctors who had undergone special training in natural remedy medicine had almost doubled to 10 800.
In the United States, 158 million of the adult population use complementary medicines and according to the USA Commission for Alternative and Complementary medicines, US $17 billion was spent on traditional remedies in 2000.
In the United Kingdom, annual expenditure on alternative medicine is US$ 230 million.
The global market for herbal medicines currently stands at over US $ 60 billion annually and is growing steadily.

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herbs