#+name: data
| 1 |  2 |
| 2 |  4 |
| 3 |  8 |
|   | 16 |
|   |    |
| 6 | 16 |
| 7 |  8 |
|   |  4 |
| 9 |  2 |

#+begin_src gnuplot :var data=data :results silent
  plot data u 0:1, '' u 0:2
#+end_src