Multiple Y axes

Is there any way to have multiple y-axes (more than two). I’m
looking to plot time series data and would like to overlay say four data sets
each with its own independent axis.

Thank you.



Internet Email Confidentiality Footer
Privileged/Confidential Information may be contained in this
message. If you are not the addressee indicated in this message
(or responsible for delivery of the message to such person), you
may not copy or deliver this message to anyone. In such case, you
should destroy this message and notify the sender by reply email.
Please advise immediately if you or your employer do not consent to
Internet email for messages of this kind. Opinions, conclusions and
other information in this message that do not relate to the
official business of The Shaw Group Inc. or its subsidiaries shall
be understood as neither given nor endorsed by it.

The Shaw Group Inc.