Computation times

00:01.315 total execution time for gallery_spines files:

Spine Placement (spine_placement_demo.py)	00:00.405	0.0 MB
Spines (spines.py)	00:00.297	0.0 MB
Multiple Yaxis With Spines (multiple_yaxis_with_spines.py)	00:00.223	0.0 MB
Dropped spines (spines_dropped.py)	00:00.142	0.0 MB
Centered spines with arrows (centered_spines_with_arrows.py)	00:00.140	0.0 MB
Custom spine bounds (spines_bounds.py)	00:00.108	0.0 MB