Computation times

00:01.575 total execution time for gallery_spines files:

Spine Placement (spine_placement_demo.py)	00:00.486	0.0 MB
Spines (spines.py)	00:00.343	0.0 MB
Multiple Yaxis With Spines (multiple_yaxis_with_spines.py)	00:00.263	0.0 MB
Centered spines with arrows (centered_spines_with_arrows.py)	00:00.173	0.0 MB
Dropped spines (spines_dropped.py)	00:00.171	0.0 MB
Custom spine bounds (spines_bounds.py)	00:00.139	0.0 MB