A cohort study is conducted to assess the association between clinical characteristics and the risk of stroke. The study involves n = 1250 participants who are free of stroke at the study start. Each participant is assessed at study start (baseline) and every year thereafter for 5 years. The following table displays data on hypertension status measured at baseline and hypertension status measured 2 years later.

	2 Years Later: Not Hypertensive	2 Years Later: Hypertensive
Baseline: Not Hypertensive	850	148
Baseline: Hypertensive	45	207

What is the prevalence of hypertension at baseline?(Use the following answerformat:##.#).