Consider the following statements:

1. Approximately 71 per cent of planetary water is found in the oceans.
2. Water outside the oceans is stored in glaciers, ice caps, groundwater, lakes, soil moisture, the atmosphere, streams and living organisms.
3. Nearly 59 per cent of the water falling on land returns to the atmosphere through evaporation.
4. All precipitation not returned to the atmosphere becomes surface runoff; none enters the ground or becomes glacier ice.

Which of the statements given above are correct?